77 trimate

[bdusted440]

Hi I want to update my motor and wanted to know if you can safely put a 150 on this boat as the coast gaurd tag says max hp120. And if I can what would the set back be.With out any set back it pourposes at lower speeds with four people in the boat.It has a 115 evinrude on it now.thanks for any input. http://www.checkmate-boats.com/6/ws/,s,8626072361/Graemlins/thumb.gif

[Chris]

I wouldn't do it to my boat. It can cause insurance and safety problems.

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[175checkmate]

What size is the boat?
The correct answer is what chris said, but its your boat. I would say a 150 would be no trouble at all

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1975 Checkmate Tri-mate 2, 2.4 200+

[Z06]

I'd put the highest amount you can being under the law. You don't want to go over the limit because that is when you're in trouble. Get some pics up... Also, I will be adding you to the top speed thread now...

Checkmates may not be the fastest boats on the water, but they are the nicest looking!

[bdusted440]

Thanks guys. the boat is 16.7ft.My other option is to perc up the 115. a marine mechanic I know said the only difference between a 115 and 140 is the heads and exhaust.Maybe I should go that route.If I do what set back should i use? http://www.checkmate-boats.com/6/ws/,s,8626072361/Graemlins/eyes.gif

[175checkmate]

Also the motor 140hp has bigger cards.
Thats strange that yours is an inch longer than mine and mine is rated for a 150. I am adding a 5" setback manual jackplate and have a set of 2 inch spacers for a total of 7" if I need it.

What prop are you running?

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1975 Checkmate Tri-mate 2, 2.4 200+

[bdusted440]

Thats what my registration say. I havent actually mesured it.Hey what do you mean by cards?Do you mean reeds?I am running a19 pitch. I had it rebuilt last fall and they cuped it.it seems to pull alot harder.

[This message was edited by bdusted440 on February 16, 2003 at 11:17 PM.]

[175checkmate]

sorry I ment carb's. Its been a long night already.

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1975 Checkmate Tri-mate 2, 2.4 200+